#include <iostream>
#include <fstream>
#include <string>

#include <openbabel/mol.h>
#include <openbabel/obconversion.h>

using namespace std;
using namespace OpenBabel;

int main(int argc, char* argv[]) {

  ifstream ifs("Aspirin.mol");

  OBConversion conv;
  conv.SetInFormat("MOL");
  conv.SetOutFormat("SMI");

  OBMol mol;
  conv.Read(&mol, &ifs);
  conv.Write(&mol, &cout);
}